anchor

nouns

a mechanical device that prevents a vessel from moving
a central cohesive source of support and stability
"faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
a television reporter who coordinates a broadcast to which several correspondents contribute

verbs

fix firmly and stably
"anchor the lamppost in concrete"
secure a vessel with an anchor
"We anchored at Baltimore"
is derived from
is derived from